.banner {
	margin: 200px auto 0;
	width: 530px;
	overflow: hidden
}

.large_box {
	margin-bottom: 10px;
	width: 530px;
	height: 350px;
	overflow: hidden
}

.large_box img {
	display: block
}

.small_box {
	width: 530px;
	height: 73px;
	overflow: hidden
}

.small_list {
	position: relative;
	float: left;
	width: 480px;
	height: 73px;
	overflow: hidden
}

.small_list ul {
	height: 73px;
	overflow: hidden
}

.small_list ul li {
	position: relative;
	float: left;
	margin-right: 10px;
	width: 110px
}

.small_list ul li img {
	display: block
}

.small_list ul li .bun_bg {
	display: none;
	position: absolute;
	top: 0;
	left: 0;
	width: 110px;
	height: 73px;
	background: #000;
	filter: alpha(opacity=60);
	-moz-opacity: .6;
	-khtml-opacity: .6;
	opacity: .6
}

.small_list ul li.on .bun_bg {
	display: block
}

.btn {
	display: block;
	width: 20px;
	height: 73px;
	background-color: #777;
	background-repeat: no-repeat;
	background-position: center center;
	cursor: pointer
}

.btn:hover {
	background-color: #e7000e
}

.left_btn {
	float: left;
	margin-right: 10px;
	background-image: url(../image/left_btn.png)
}

.right_btn {
	float: right;
	background-image: url(../image/right_btn.png)
}

.Lunbo-video {
	padding-top: 0;
}

.Lunbo-video .Lunbo-video-title {
	margin: 20px auto 50px
}

.Lunbo-video .Lunbo-video-title .Lunbo-video-h1 {
	font-size: 30px;
	color: #ef7700;
	height: 50px;
	line-height: 50px
}

.Lunbo-video .Lunbo-video-title .Lunbo-video-h3 {
	font-size: 32px;
	color: #fff
}

.Lunbo-video .Lunbo-video-cont {
	margin-bottom: 50px;
	height: 100%
}

.Lunbo-video li {
	list-style: none
}

.video {
	width: 100%;
	margin: 0 auto;
	overflow: hidden;
	zoom: 1
}

.video>div {
	float: left;
	height: 400px
}

.video>div:first-child {
	width: 5%;
	display: flex;
	align-items: center;
	justify-content: center
}

.Lunbobutton {
	width: 100%;
    height: auto;
    cursor: pointer;
}

.video>div:last-child {
	width: 5%;
	display: flex;
	align-items: center;
	justify-content: center
}

.video>div:nth-of-type(2) {
	width: 90%
}

.video ul {
	position: relative
}

.video li {
	transition: all .6s;
	position: absolute;
	background: url(../image/video-bg.png) center center no-repeat;
	background-size: 100% 100%
}

.video li video {
	width: 100%;
	height: 100%
}

.video li h3 {
	text-align: center;
	margin-top: 2px;
	color: #1766d7
}

.video1 {
	width: 18%;
	height: auto;
	left: 0;
	z-index: 1
}

.video2 {
	width: 37%;
	height: auto;
	left: 8%;
	z-index: 2
}

.video3 {
	width: 64%;
	height: auto;
	left: 17%;
	z-index: 3
}

.video4 {
	width: 37%;
	height: auto;
	left: 54%;
	z-index: 2
}

.video5 {
	width: 18%;
	height: auto;
	left: 82%;
	z-index: 1
}